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NZ334032A - Strains of Escherichia coli in fermentation processes for L-threonine production - Google Patents

Strains of Escherichia coli in fermentation processes for L-threonine production

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Publication number
NZ334032A
NZ334032ANZ334032ANZ33403297ANZ334032ANZ 334032 ANZ334032 ANZ 334032ANZ 334032 ANZ334032 ANZ 334032ANZ 33403297 ANZ33403297 ANZ 33403297ANZ 334032 ANZ334032 ANZ 334032A
Authority
NZ
New Zealand
Prior art keywords
threonine
coli
strains
strain
escherichia coli
Prior art date
Application number
NZ334032A
Inventor
Ming-Der Wang
Jill S Bradshaw
Stacia L Swisher
Hungming James Liaw
Paul D Hanke
Thomas P Binder
Original Assignee
Archer Daniels Midland Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Archer Daniels Midland CofiledCriticalArcher Daniels Midland Co
Publication of NZ334032ApublicationCriticalpatent/NZ334032A/en

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Abstract

A process for producing L-threonine, which comprised the steps of: a) Culturing a strain of E.coli strain that is borrelidin resistant in a medium; and b) Recovering L-threonine that is produced by the E.coli; wherein the strain of E.coli: i) Contains on the chromosome at least one threonine (thr) operon operably linked with at least one non-native promoter that replaces the native threonine promoter via insertion into the chromosome; and ii) Does not require any recombinant plasmids containing one or more genes that encode one or more of the threonine biosynthetic enzymes in order to produce threonine; The non-native promoter is selected from the group consisting of tac, lac, trp, lpp, PL and PR promoters.
NZ334032A1996-07-301997-07-30Strains of Escherichia coli in fermentation processes for L-threonine productionNZ334032A (en)

Applications Claiming Priority (2)

Application NumberPriority DateFiling DateTitle
US2240796P1996-07-301996-07-30
PCT/US1997/013359WO1998004715A1 (en)1996-07-301997-07-30Novel strains of escherichia coli, methods of preparing the same and use thereof in fermentation processes for l-threonine production

Publications (1)

Publication NumberPublication Date
NZ334032Atrue NZ334032A (en)2000-09-29

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ID=21809430

Family Applications (1)

Application NumberTitlePriority DateFiling Date
NZ334032ANZ334032A (en)1996-07-301997-07-30Strains of Escherichia coli in fermentation processes for L-threonine production

Country Status (20)

CountryLink
US (1)US5939307A (en)
EP (1)EP0917578B1 (en)
JP (2)JP4919529B2 (en)
KR (1)KR20000029691A (en)
CN (1)CN1261576C (en)
AT (1)ATE421587T1 (en)
AU (1)AU730102B2 (en)
BR (1)BR9710503A (en)
CA (1)CA2262813C (en)
DE (1)DE69739234D1 (en)
HU (1)HUP9903856A2 (en)
ID (1)ID19402A (en)
IL (3)IL128293A (en)
NO (1)NO320044B1 (en)
NZ (1)NZ334032A (en)
PL (1)PL191395B1 (en)
RU (1)RU2212448C2 (en)
TR (1)TR199900213T2 (en)
WO (1)WO1998004715A1 (en)
ZA (1)ZA976803B (en)

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